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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A244536 Number of ordered unlabeled rooted trees with n nodes such that the minimal outdegree of inner nodes equals 7.

Table of values

n a(n)
8 1
9 0
10 0
11 0
12 0
13 0
14 0
15 7
16 15
17 16
18 17
19 18
20 19
21 20
22 91
23 253
24 529
25 852
26 1225
27 1651
28 2133
29 3493
30 6931
31 14095
32 27156
33 47648
34 77297
35 118031
36 182462
37 300441
38 527398
39 954712
40 1722370
41 3015910
42 5074611
43 8342271
44 13730760
45 23036563
46 39558564
47 68974240
48 120541276

List of values

[1, 0, 0, 0, 0, 0, 0, 7, 15, 16, 17, 18, 19, 20, 91, 253, 529, 852, 1225, 1651, 2133, 3493, 6931, 14095, 27156, 47648, 77297, 118031, 182462, 300441, 527398, 954712, 1722370, 3015910, 5074611, 8342271, 13730760, 23036563, 39558564, 68974240, 120541276]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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